<template>
  <el-form ref="deptForm" :model="form" :rules="formRules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in list" :key="item.id" :value="item.username" :label="item.username" />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { addDepartments, getEmployeesSimple, getDepartmentsDetatil, editDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 编号校验
    const existCodeValid = (rules, value, callback) => {
      let existCodeList = this.originList.map(item => item.code)
      // 判断是否为编辑状态
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      existCodeList.includes(value) ? callback(new Error('部门编码: ' + value + '已经存在'))
        : callback()
    }
    // 部门名称校验
    const existNameValid = (rules, value, callback) => {
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(existNameList, 'existNameList')
      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        // 获取导所有的兄弟列表
        const newss = this.originList.filter(item => item.pid === pid)
        existNameList = newss.filter(item => item.id !== this.id).map(item => item.name)
      }
      existNameList.includes(value) ? callback(new Error('部门名称: ' + value + '已经存在'))
        : callback()
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      formRules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度是1~50的部门名称', trigger: 'blur' },
          { validator: existNameValid, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度是1~50的部门编码', trigger: 'blur' },
          { validator: existCodeValid, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: ['blur', 'change'] }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入长度是1~50的部门介绍', trigger: 'blur' }
        ]
      },
      list: []
    }
  },
  watch: {
    'id': function(newVal, oldVal) {
      if (this.isEdit) {
        this.loadDepartmentsDetatil()
      }
    }
  },
  created() {
    this.loadDepartments()
    if (this.isEdit) {
      this.loadDepartmentsDetatil()
    }
  },
  methods: {
    // 清空表单
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 修改框数据回显
    async loadDepartmentsDetatil() {
      try {
        const res = await getDepartmentsDetatil(this.id)
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    async doEidt() {
      try {
        const res = await editDepartments(this.form)
        console.log(res)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 确定
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEidt() : this.doAdd()
      })
    },
    // 取消
    hCancel() {
      this.$emit('close')
    },
    async loadDepartments() {
      try {
        const res = await getEmployeesSimple()
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>
